28 Memory Mandatory
29 RAID card Mandatory
Predisassembly procedures
Perform the following steps before servicing the workstation:
1. Close any open software applications.
2. Remove any diskettes or CDs from the workstation.
3. Shut down the operating system.
4. Power off the workstation and any peripheral devices that are connected to it.
5. Remove or disengage any security devices that prohibit opening the workstation.
6. Disconnect the power cord from the electrical outlet and then from the workstation.
7. Disconnect all peripheral device cables from the workstation.
System board components
The following image shows the system board connectors and sockets on the HP xw6400 Workstation.
Figure 4-1 System board identification
Table 4-4 System board components
No. Component No. Component No. Component
1 Solenoid hood lock 13 Clear CMOS button 25 Auxiliary audio
2 Memory sockets 14 Optical drives 26 PCI 32/33
3 Main power 15 Diskette drive 27 PCI Express x8 (4)*
4 Upper rear chassis fan 16 HDD LED 28 PCI Express x16 (4)*
Table 4-3 Customer Self-Repair components (continued)
ENWW Predisassembly procedures 57
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